1 files changed, 2 insertions, 1 deletions
diff --git a/aio-posix.c b/aio-posix.c
index 88d09e1cfb..fe4dbb4523 100644
--- a/aio-posix.c
+++ b/aio-posix.c
@@ -264,5 +264,6 @@ bool aio_poll(AioContext *ctx, bool blocking)
         }
     }
 
-    return progress;
+    assert(progress || busy);
+    return true;
 }